CN114809636B - Automatic grouting sleeve real-time feedback slurry supplementing device and operation method - Google Patents
Automatic grouting sleeve real-time feedback slurry supplementing device and operation method Download PDFInfo
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- CN114809636B CN114809636B CN202210380718.2A CN202210380718A CN114809636B CN 114809636 B CN114809636 B CN 114809636B CN 202210380718 A CN202210380718 A CN 202210380718A CN 114809636 B CN114809636 B CN 114809636B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/122—Machines for joining reinforcing bars
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The invention relates to the technical field of building hole slurry filling, in particular to a real-time feedback automatic slurry filling device for grouting sleeves and an operation method, wherein a suspension assembly comprises a pair of upper filter plates and lower filter plates which are parallel up and down, the upper filter plates and the lower filter plates are connected through hollow floating rods, a first liquid level meter and a second liquid level meter which are distributed up and down are arranged on a liquid level pipe, the height difference between the first liquid level meter and the second liquid level meter is smaller than the length of the hollow floating rods, and the lower filter plates are annular, and have the beneficial effects that: through setting up the cooperation of liquid level pipe and feedback pipe to form the feedback to filling the feed supplement volume, through setting up suspension assembly, thereby utilize the filter plate to realize filtering the dust in the exhaust air current, avoid the dust to cause the pollution to the liquid level pipe inner wall, utilize the cooperation of double-deck filter plate and baffle simultaneously, drive suspension assembly and rise when the moisturizing thick liquid flows back, realize signal feedback through suspension assembly, thereby avoid the moisturizing thick liquid to cause the pollution to the liquid level pipe inner wall, be convenient for follow-up used repeatedly.
Description
Technical Field
The invention relates to the technical field of building hole grouting, in particular to a real-time feedback automatic grouting sleeve grouting device and an operation method.
Background
In practical engineering, various reasons may lead to the occurrence of grouting defects, which affect the performance of components and even structures. The most common cause of defects is leakage of grout, which can lead to sleeve run-out and reduced anchoring length of steel bars and grouting material, thereby significantly reducing the performance of the grouting sleeve joint and possibly resulting in failure of the entire component connection.
When slurry leakage or insufficient filling is found, a common treatment method is to make up by a slurry supplementing mode. However, when the slurry is required to be supplemented, the grouting material at the grouting holes is hardened and coagulated, and only the slurry can be directly poured into the slurry from the slurry discharge holes, however, only one slurry discharge hole is left at the moment, the holes can be sealed by the slurry during slurry supplementing, the air in the slurry cannot be discharged, the slurry still remains in the sleeve, the air cannot be filled, and the slurry supplementing effect is poor.
And the existing slurry supplementing device only realizes feedback of filling degree through the backflow of slurry supplementing liquid, and the concrete raw material of the slurry supplementing has adhesiveness, so that the inner wall of a feedback pipe is polluted, and the subsequent use is influenced.
Disclosure of Invention
The invention aims to provide a grouting sleeve real-time feedback automatic slurry supplementing device and an operation method thereof, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a real-time feedback automatic slurry supplementing device for grouting sleeves, the slurry supplementing device comprising:
the upper end of the pulp supplementing column is respectively connected with a liquid level pipe and a storage tank, the lateral end of the pulp supplementing column is respectively inserted with a feedback pipe connected with the liquid level pipe and a pulp supplementing pipe connected with the storage tank, the feedback pipe and the pulp supplementing pipe are both fixed on a rubber plug at the outer side of the pulp supplementing column, the outer side of the feedback pipe is provided with a spiral coil pipe, the spiral coil pipe is sleeved on the pulp supplementing pipe, and the lower end of the spiral coil pipe is provided with three groups of linearly distributed exhaust ports;
the suspension assembly comprises a pair of upper filter plates and lower filter plates which are vertically parallel, the upper filter plates and the lower filter plates are connected through hollow floating rods, the upper filter plates and the lower filter plates are vertically and slidably mounted on a liquid level pipe, a first liquid level meter and a second liquid level meter which are vertically distributed are arranged on the liquid level pipe, a partition plate is arranged at the equal-height position of the inner wall of the liquid level pipe and the second liquid level meter, the height difference between the first liquid level meter and the second liquid level meter is smaller than the length of the hollow floating rods, the upper filter plates are located at the upper ends of the partition plates, the lower filter plates are in a circular shape, and the lower filter plates are located at the lower ends of the partition plates.
Preferably, an air charging motor is arranged on the outer side of the slurry supplementing column, an air inlet is formed in the storage tank, and the air charging motor is communicated with the air inlet through an air pipe.
Preferably, the lower extreme of moisturizing post is provided with the handle, is provided with the controller in the handle, is provided with control button on the outside of handle, the controller of the equal electric connection handle of air motor, first level gauge and second level gauge.
Preferably, the slurry supplementing pipe is provided with a fixing ring, the end part of the spiral coil pipe is inserted into the fixing ring, the end part of the spiral coil pipe is parallel to the slurry supplementing pipe, the spiral coil pipe is communicated with the feedback pipe, and the feedback pipe is hermetically connected with the lower end of the liquid level pipe through the right-angle communicating pipe.
Preferably, the outer wall of storage tank is provided with the scale, and the upper end left side of storage tank is provided with the sealed end cover of screw thread sealing installation, and the inner chamber of storage tank sets up to the stock solution inner chamber, slidable mounting has the piston board in the stock solution inner chamber, feed inlet and the air inlet of sealed end cover lower extreme all connect the piston board through folding connecting tube.
Preferably, the upper end of the piston plate is vertically provided with a lifting column, the upper end of the lifting column extends to the upper end of the storage tank, the outer wall of the lower end of the lifting column is sleeved with a spring, the upper end of the lifting column is provided with a balancing weight, and the spring is pressed between the piston plate and the inner wall of the upper end of the storage cavity.
Preferably, through holes are formed in the partition plate in a penetrating mode, the hollow floating rods vertically penetrate through the through holes, and the outer diameters of the lower filter plate and the upper filter plate are larger than the inner diameters of the through holes.
Preferably, the upper end of the lower filter plate is provided with an annular sealing ring, and the lower end of the partition plate is provided with a sealing ring groove corresponding to the sealing ring.
An operation method realized by the grouting sleeve real-time feedback automatic slurry supplementing device comprises the following steps:
pressurizing and supplementing pulp, wherein the air is fed into the storage tank through the air charging motor, so that the internal pressure of the storage tank is increased, and the pulp supplementing raw material is discharged along the pulp supplementing pipe, thereby achieving the purpose of filling and supplementing pulp;
in the process of filtering and exhausting and pulp supplementing, the gas in the pulp supplementing hole is exhausted through a feedback pipe and a spiral coil pipe, enters a liquid level pipe along a right-angle communicating pipe, and dust is filtered through a suspension assembly, so that the aim of balancing air pressure is fulfilled;
when the slurry filling hole is filled, the vent hole is gradually blocked, raw materials enter the liquid level pipe along the spiral coil pipe, the feedback pipe and the right-angle communicating pipe, so that the suspension component gradually floats upwards, when the upper filter plate contacts with the first liquid level meter at the high position, a feedback signal is formed, and the controller receives the signal and then controls the air charging motor to stop air charging.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the liquid level pipe and the feedback pipe are matched, so that feedback of filling and feeding quantity is formed, the suspension assembly is arranged, dust in exhaust air flow is filtered by using the filter plate, pollution to the inner wall of the liquid level pipe caused by the dust is avoided, meanwhile, the suspension assembly is driven to rise when the slurry is fed back by using the double-layer filter plate and the partition plate, and signal feedback is realized by using the suspension assembly, so that pollution to the inner wall of the liquid level pipe caused by the slurry is avoided, and the device is convenient for subsequent repeated use.
Drawings
FIG. 1 is a schematic view of a liquid level pipe and suspension assembly connection in a semi-cutaway view;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a schematic view of the spiral coil structure of the present invention;
FIG. 4 is a schematic perspective view of a suspension assembly according to the present invention;
FIG. 5 is a schematic view of a material storage tank according to the present invention;
fig. 6 is a schematic view of a three-dimensional structure of a liquid level pipe according to the present invention.
In the figure: 1. a slurry supplementing column; 2. a storage tank; 3. an air charging motor; 4. a handle; 5. a control button; 6. an air pipe; 7. a scale; 8. an air inlet; 9. sealing the end cover; 10. lifting columns; 11. balancing weight; 12. a liquid level pipe; 13. a first level gauge; 14. a levitation assembly; 15. a right-angle communicating pipe; 16. a feedback tube; 17. a spiral coil; 18. a second level gauge; 19. a fixing ring; 20. a slurry supplementing pipe; 21. an exhaust port; 22. a rubber plug; 23. a spring; 24. a liquid storage cavity; 25. a piston plate; 26. folding the connecting pipe; 27. an upper filter plate; 28. a hollow float rod; 29. a lower filter plate; 30. a seal ring; 31. a partition plate; 32. a through hole; 33. sealing the circular groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 6, the present invention provides a technical solution:
example 1:
the utility model provides a real-time feedback automatic slurry supplementing device of grout sleeve, the slurry supplementing device includes slurry supplementing column 1 and suspension subassembly 14.
The upper end of the slurry supplementing column 1 is respectively connected with a liquid level pipe 12 and a storage tank 2, the lateral end part of the slurry supplementing column 1 is respectively inserted with a feedback pipe 16 connected with the liquid level pipe 12 and a slurry supplementing pipe 20 connected with the storage tank 2, the feedback pipe 16 and the slurry supplementing pipe 20 are both fixed on a rubber plug 22 outside the slurry supplementing column 1, and the sealing of a slurry supplementing hole port is formed through the rubber plug 22, so that filling leakage is avoided.
The outside of feedback pipe 16 sets up to spiral coil 17, and spiral coil 17 cup joints on moisturizing pipe 20, and spiral coil 17's lower extreme is provided with the three group's gas vent 21 of linear distribution, through setting up three group's gas vent 21 to avoid spiral coil 17 to block up, only when three group's exhaust hole totally blocks up simultaneously, just can form the feedback backward flow, reaches the purpose of fully filling.
The suspension assembly 14 comprises a pair of upper filter plates 27 and lower filter plates 29 which are parallel up and down, the upper filter plates 27 and the lower filter plates 29 are connected through hollow floating rods 28, the upper filter plates 27 and the lower filter plates 29 are vertically and slidably mounted on the liquid level pipe 12, a first liquid level gauge 13 and a second liquid level gauge 18 which are distributed up and down are arranged on the liquid level pipe 12, a partition plate 31 is arranged at the equal height position of the inner wall of the liquid level pipe 12 and the second liquid level gauge 18, the height difference between the first liquid level gauge 13 and the second liquid level gauge 18 is smaller than the length of the hollow floating rods 28, the upper filter plates 27 are positioned at the upper end of the partition plate 31, the lower filter plates 29 are in a circular ring shape, and the lower filter plates 29 are positioned at the lower end of the partition plate 31.
Through setting up suspension assembly 14 to utilize upper filter plate 27 and lower filter plate 29 to realize filtering the dust in the exhaust air current, avoid the dust to cause the pollution to liquid level pipe 12 inner wall, utilize the cooperation of double-deck filter plate and baffle 31 simultaneously, drive suspension assembly 14 when the moisturizing thick liquid backward flow and rise, realize signal feedback through suspension assembly 14 and the cooperation of first level gauge 13, thereby avoid the moisturizing thick liquid to cause the pollution to liquid level pipe 12 inner wall, be convenient for follow-up used repeatedly.
Example 2:
on the basis of embodiment 1, in order to be convenient for control feedback signal, this application still has and sets up air-filled motor 3 in the outside of moisturizing post 1, be provided with air inlet 8 on storage tank 2, air-filled motor 3 communicates air inlet 8 through trachea 6, the lower extreme of moisturizing post 1 is provided with handle 4, be provided with the controller in handle 4, be provided with control button 5 on the outside of handle 4, air-filled motor 3, the equal electric connection handle 4's of first level gauge 13 and second level gauge 18 controller, be provided with solid fixed ring 19 on the moisturizing pipe 20, the tip of helical coil 17 is pegged graft on solid fixed ring 19, and helical coil 17's tip is parallel with moisturizing pipe 20, helical coil 17 intercommunication feedback pipe 16, feedback pipe 16 passes through right angle communicating pipe 15 sealing connection liquid level pipe 12's lower extreme.
And closed loop signal feedback is formed by the controller, the liquid level meter and the inflation motor 3, so that the control button 5 is utilized to control the slurry supplementing.
Example 3:
on the basis of embodiment 1, in order to improve the pressure of moisturizing, this application still has and is provided with scale 7 at the outer wall of storage tank 2, the upper end left side of storage tank 2 is provided with screw thread seal's end cover 9, the inner chamber of storage tank 2 sets up to stock solution inner chamber 24, slidable mounting has piston plate 25 in the stock solution inner chamber 24, feed inlet and the air inlet 8 of end cover 9 lower extreme all connect piston plate 25 through folding union coupling 26, the upper end of piston plate 25 is vertical to be provided with lift post 10, the upper end of lift post 10 extends to the upper end of storage tank 2, the lower extreme outer wall of lift post 10 has cup jointed spring 23, balancing weight 11 is installed to the upper end tip of lift post 10, spring 23 pressfitting is between piston plate 25 and stock solution inner chamber 24 upper end inner wall.
Through the cooperation of piston plate 25 and balancing weight 11 to when air charge motor 3 advances, form the extrusion to spring 23, under the feedback signal effect, when air charge motor stopped working, utilize the reset elasticity of spring 23 and the pressure of balancing weight 11, make stock solution inner chamber 24 keep the pressure, avoid the back-suction backward flow of moisturizing liquid along moisturizing pipe 20.
Example 4:
on the basis of embodiment 1, in order to realize the sealing of the lower end of the liquid level pipe 12, the application is also provided with a through hole 32 penetrating through the partition plate 31, the hollow floating rod 28 vertically penetrates through the through hole 32, the outer diameters of the lower filter plate 29 and the upper filter plate 27 are both larger than the inner diameter of the through hole 32, the upper end of the lower filter plate 29 is provided with an annular sealing ring 30, and the lower end of the partition plate 31 is provided with a sealing ring groove 33 corresponding to the sealing ring 30.
By arranging the matching of the sealing ring 30 and the sealing ring groove 33, sealing extrusion between the lower filter plate 29 and the partition plate 31 is formed, raw materials are prevented from penetrating along the peripheral side wall under the action of pressure, and further the protection of the inner wall of the liquid level pipe 12 is improved.
An operation method realized by the grouting sleeve real-time feedback automatic slurry supplementing device comprises the following steps:
pressurizing and supplementing pulp, and feeding air to the storage tank 2 through the air charging motor 3, so that the internal pressure of the storage tank 2 is increased, and the pulp supplementing raw material is discharged along the pulp supplementing pipe 20, thereby achieving the purpose of filling and supplementing pulp;
in the process of filtering and exhausting and pulp supplementing, the gas in the pulp supplementing holes is exhausted through a feedback pipe 16 and a spiral coil 17, enters a liquid level pipe 12 along a right-angle communicating pipe 15, and dust is filtered through a suspension assembly 14, so that the aim of balancing air pressure is fulfilled;
when the slurry filling holes are filled, the exhaust holes 21 are gradually blocked, raw materials enter the liquid level pipe 12 along the spiral coil pipe 17, the feedback pipe 16 and the right-angle communicating pipe 15, so that the suspension assembly 14 gradually floats upwards, when the upper filter plate 27 is in contact with the first liquid level meter 13 at the high position, a feedback signal is formed, and the controller receives the signal and then controls the air charging motor to stop air charging.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a real-time feedback automatic slurry supplementing device of grout sleeve which characterized in that: the slurry supplementing device comprises:
the device comprises a slurry supplementing column (1), wherein the upper end of the slurry supplementing column (1) is respectively connected with a liquid level pipe (12) and a storage tank (2), a feedback pipe (16) connected with the liquid level pipe (12) and a slurry supplementing pipe (20) connected with the storage tank (2) are respectively inserted into the lateral end parts of the slurry supplementing column (1), the feedback pipe (16) and the slurry supplementing pipe (20) are both fixed on a rubber plug (22) at the outer side of the slurry supplementing column (1), a spiral coil pipe (17) is arranged at the outer side of the feedback pipe (16), the spiral coil pipe (17) is sleeved on the slurry supplementing pipe (20), and three groups of linearly distributed exhaust ports (21) are arranged at the lower end of the spiral coil pipe (17);
the suspension assembly (14), the suspension assembly (14) comprises a pair of upper filter plates (27) and lower filter plates (29) which are parallel up and down, the upper filter plates (27) and the lower filter plates (29) are connected through hollow floating rods (28), the upper filter plates (27) and the lower filter plates (29) are vertically and slidably arranged on a liquid level pipe (12), a first liquid level gauge (13) and a second liquid level gauge (18) which are distributed up and down are arranged on the liquid level pipe (12), a partition plate (31) is arranged at the equal height position of the inner wall of the liquid level pipe (12) and the second liquid level gauge (18), the height difference between the first liquid level gauge (13) and the second liquid level gauge (18) is smaller than the length of the hollow floating rods (28), the upper filter plates (27) are positioned at the upper ends of the partition plate (31), and the lower filter plates (29) are in a circular shape and the lower filter plates (29) are positioned at the lower ends of the partition plate (31).
The outside of mending thick liquid post (1) is provided with air-filled motor (3), be provided with air inlet (8) on storage tank (2), air-filled motor (3) are through trachea (6) intercommunication air inlet (8), the lower extreme of mending thick liquid post (1) is provided with handle (4), is provided with the controller in handle (4), is provided with control button (5) on the outside of handle (4), air-filled motor (3), first level gauge (13) and the equal electric connection of second level gauge (18) handle (4)'s controller.
2. The grouting sleeve real-time feedback automatic slurry supplementing device according to claim 1, wherein: the slurry supplementing pipe (20) is provided with a fixing ring (19), the end part of the spiral coil pipe (17) is inserted into the fixing ring (19), the end part of the spiral coil pipe (17) is parallel to the slurry supplementing pipe (20), the spiral coil pipe (17) is communicated with the feedback pipe (16), and the feedback pipe (16) is hermetically connected with the lower end of the liquid level pipe (12) through the right-angle communicating pipe (15).
3. The grouting sleeve real-time feedback automatic slurry supplementing device according to claim 1, wherein: the outer wall of storage tank (2) is provided with scale (7), and the upper end left side of storage tank (2) is provided with sealed end cover (9) of screw thread sealing installation, and the inner chamber of storage tank (2) sets up to stock solution inner chamber (24), slidable mounting has piston board (25) in stock solution inner chamber (24), feed inlet and air inlet (8) of sealed end cover (9) lower extreme all connect piston board (25) through folding connecting pipe (26).
4. A grouting sleeve real-time feedback automatic slurry supplementing device according to claim 3, wherein: the upper end of piston plate (25) is vertical to be provided with lift post (10), the upper end of lift post (10) extends to the upper end of storage tank (2), and spring (23) have been cup jointed to the lower extreme outer wall of lift post (10), and balancing weight (11) are installed to the upper end tip of lift post (10), spring (23) pressfitting is between piston plate (25) and stock solution inner chamber (24) upper end inner wall.
5. The grouting sleeve real-time feedback automatic slurry supplementing device according to claim 1, wherein: through holes (32) are formed in the partition plates (31) in a penetrating mode, the hollow floating rods (28) vertically penetrate through the through holes (32), and the outer diameters of the lower filter plate (29) and the upper filter plate (27) are larger than the inner diameters of the through holes (32).
6. The grouting sleeve real-time feedback automatic slurry supplementing device according to claim 5, wherein: an annular sealing ring (30) is arranged at the upper end of the lower filter plate (29), and a sealing annular groove (33) corresponding to the sealing ring (30) is arranged at the lower end of the partition plate (31).
7. An operation method implemented by the grouting sleeve real-time feedback automatic slurry supplementing device according to any one of claims 1 to 6, wherein: the operation method comprises the following steps:
pressurizing and supplementing pulp, and feeding air to the storage tank (2) through the air charging motor (3) to increase the internal pressure of the storage tank (2), and discharging the pulp supplementing raw material along the pulp supplementing pipe (20) to fulfill the aim of filling and supplementing pulp;
in the process of filtering and exhausting and pulp supplementing, the gas in the pulp supplementing holes is exhausted through a feedback pipe (16) and a spiral coil (17), the gas enters a liquid level pipe (12) along a right-angle communicating pipe (15), and dust is filtered through a suspension assembly (14), so that the aim of balancing air pressure is fulfilled;
when the slurry filling hole is filled, the vent hole (21) is gradually blocked, raw materials enter the liquid level pipe (12) along the spiral coil pipe (17), the feedback pipe (16) and the right-angle communicating pipe (15), so that the suspension assembly (14) gradually floats upwards, when the upper filter plate (27) is in contact with the first liquid level meter (13) at the high position, a feedback signal is formed, and the controller receives the signal and then controls the air charging motor to stop air charging.
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| CN202210380718.2A CN114809636B (en) | 2022-04-12 | 2022-04-12 | Automatic grouting sleeve real-time feedback slurry supplementing device and operation method |
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| CN202210380718.2A CN114809636B (en) | 2022-04-12 | 2022-04-12 | Automatic grouting sleeve real-time feedback slurry supplementing device and operation method |
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